[INFO] cloning repository https://github.com/acs2405/Atris-base
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/acs2405/Atris-base" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Facs2405%2FAtris-base", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Facs2405%2FAtris-base'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b4912a87c5f64c513b1859e390e823040b3387bc
[INFO] checking acs2405/Atris-base against try#5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db for pr-143717
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Facs2405%2FAtris-base" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/acs2405/Atris-base
[INFO] finished tweaking git repo https://github.com/acs2405/Atris-base
[INFO] tweaked toml for git repo https://github.com/acs2405/Atris-base written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/acs2405/Atris-base on toolchain 5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/acs2405/Atris-base already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8750233e6d55cf5a028096dce2874578b9fae955dc1f5e7edb0d2b9cd80391f0
[INFO] running `Command { std: "docker" "start" "-a" "8750233e6d55cf5a028096dce2874578b9fae955dc1f5e7edb0d2b9cd80391f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8750233e6d55cf5a028096dce2874578b9fae955dc1f5e7edb0d2b9cd80391f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8750233e6d55cf5a028096dce2874578b9fae955dc1f5e7edb0d2b9cd80391f0", kill_on_drop: false }`
[INFO] [stdout] 8750233e6d55cf5a028096dce2874578b9fae955dc1f5e7edb0d2b9cd80391f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+5ef65a4ed75279dc1b7a26cedc27293a9f4ca8db" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2764155c622a67884d7809a40f26e2d1127c672584479a43add4cdd8b6e9fce5
[INFO] running `Command { std: "docker" "start" "-a" "2764155c622a67884d7809a40f26e2d1127c672584479a43add4cdd8b6e9fce5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling proc-macro2 v1.0.72
[INFO] [stderr]    Compiling crossbeam-utils v0.8.18
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
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[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]     Checking num_cpus v1.16.0
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[INFO] [stdout] warning: unused import: `PositionedBlock`
[INFO] [stdout]  --> src/grid/grid.rs:4:27
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::block::{Block, PositionedBlock};
[INFO] [stdout]   |                           ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `JoinHandle`, `Thread`, and `rc::Rc`
[INFO] [stdout]  --> src/atrissession.rs:1:42
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::HashMap, thread::{Thread, JoinHandle}, rc::Rc};
[INFO] [stdout]   |                                          ^^^^^^  ^^^^^^^^^^   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PositionedBlock`
[INFO] [stdout]  --> src/grid/grid.rs:4:27
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::block::{Block, PositionedBlock};
[INFO] [stdout]   |                           ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `JoinHandle`, `Thread`, and `rc::Rc`
[INFO] [stdout]  --> src/atrissession.rs:1:42
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::HashMap, thread::{Thread, JoinHandle}, rc::Rc};
[INFO] [stdout]   |                                          ^^^^^^  ^^^^^^^^^^   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fig`
[INFO] [stdout]   --> src/grid/grid.rs:47:28
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn try_move(&self, fig: &Figure<'bt>, x_offset: i32) {todo!()}
[INFO] [stdout]    |                            ^^^ help: if this is intentional, prefix it with an underscore: `_fig`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x_offset`
[INFO] [stdout]   --> src/grid/grid.rs:47:47
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn try_move(&self, fig: &Figure<'bt>, x_offset: i32) {todo!()}
[INFO] [stdout]    |                                               ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_x_offset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fig`
[INFO] [stdout]   --> src/grid/grid.rs:49:30
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn try_rotate(&self, fig: &Figure<'bt>, angle: i32) {todo!()}
[INFO] [stdout]    |                              ^^^ help: if this is intentional, prefix it with an underscore: `_fig`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `angle`
[INFO] [stdout]   --> src/grid/grid.rs:49:49
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn try_rotate(&self, fig: &Figure<'bt>, angle: i32) {todo!()}
[INFO] [stdout]    |                                                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_angle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fig`
[INFO] [stdout]   --> src/grid/grid.rs:47:28
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn try_move(&self, fig: &Figure<'bt>, x_offset: i32) {todo!()}
[INFO] [stdout]    |                            ^^^ help: if this is intentional, prefix it with an underscore: `_fig`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x_offset`
[INFO] [stdout]   --> src/grid/grid.rs:47:47
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn try_move(&self, fig: &Figure<'bt>, x_offset: i32) {todo!()}
[INFO] [stdout]    |                                               ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_x_offset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fig`
[INFO] [stdout]   --> src/grid/grid.rs:49:30
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn try_rotate(&self, fig: &Figure<'bt>, angle: i32) {todo!()}
[INFO] [stdout]    |                              ^^^ help: if this is intentional, prefix it with an underscore: `_fig`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `angle`
[INFO] [stdout]   --> src/grid/grid.rs:49:49
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn try_rotate(&self, fig: &Figure<'bt>, angle: i32) {todo!()}
[INFO] [stdout]    |                                                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_angle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/gridsession.rs:43:16
[INFO] [stdout]    |
[INFO] [stdout] 43 |             Ok(e) => self.start(), // GameStart or GridAdded(Receiver)
[INFO] [stdout]    |                ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/gridsession.rs:49:13
[INFO] [stdout]    |
[INFO] [stdout] 49 |         for e in self.receiver.try_iter() {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `grid_session`
[INFO] [stdout]   --> src/atrissession.rs:91:13
[INFO] [stdout]    |
[INFO] [stdout] 91 |         for grid_session in self.grids.values_mut() {
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_grid_session`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/gridsession.rs:43:16
[INFO] [stdout]    |
[INFO] [stdout] 43 |             Ok(e) => self.start(), // GameStart or GridAdded(Receiver)
[INFO] [stdout]    |                ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/gridsession.rs:49:13
[INFO] [stdout]    |
[INFO] [stdout] 49 |         for e in self.receiver.try_iter() {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id`, `grid`, `figures`, `state`, `rng`, and `sender` are never read
[INFO] [stdout]   --> src/gridsession.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct GridSession<'a> {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 10 |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 11 |     grid: Grid<'a>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 12 |     // blocks: Vec<PositionedBlock<'a>>,
[INFO] [stdout] 13 |     figures: HashMap<usize, Figure<'a>>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     state: State<u64>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 18 |     rng: ThreadRng, //Arc/Rc<Mutex?<StdRng>>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     sender: Sender<()>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `GridSession` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id` and `active` are never read
[INFO] [stdout]   --> src/atrissession.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Player {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 12 |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 13 |     active: bool,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Player` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `uuid`, `game_mode`, and `state` are never read
[INFO] [stdout]   --> src/atrissession.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct AtrisSession {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 27 |     uuid: Uuid,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     game_mode: Box<dyn GameMode<StdRng>>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     state: State<u64>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AtrisSession` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/grid/figure.rs:21:18
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn piece(&self) -> &Piece { &self.piece }
[INFO] [stdout]    |                  ^^^^^     ------
[INFO] [stdout]    |                  |         ||
[INFO] [stdout]    |                  |         |the lifetimes get resolved as `'_`
[INFO] [stdout]    |                  |         the lifetimes get resolved as `'_`
[INFO] [stdout]    |                  this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn piece(&self) -> &Piece<'_> { &self.piece }
[INFO] [stdout]    |                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]  --> src/gamemode.rs:9:19
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn next_piece(&self, rng: &mut R) -> Piece;
[INFO] [stdout]   |                   ^^^^^                  ----- the lifetime gets resolved as `'_`
[INFO] [stdout]   |                   |
[INFO] [stdout]   |                   this lifetime flows to the output
[INFO] [stdout]   |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn next_piece(&self, rng: &mut R) -> Piece<'_>;
[INFO] [stdout]   |                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `grid_session`
[INFO] [stdout]   --> src/atrissession.rs:91:13
[INFO] [stdout]    |
[INFO] [stdout] 91 |         for grid_session in self.grids.values_mut() {
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_grid_session`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id`, `grid`, `figures`, `state`, `rng`, and `sender` are never read
[INFO] [stdout]   --> src/gridsession.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct GridSession<'a> {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 10 |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 11 |     grid: Grid<'a>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 12 |     // blocks: Vec<PositionedBlock<'a>>,
[INFO] [stdout] 13 |     figures: HashMap<usize, Figure<'a>>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     state: State<u64>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 18 |     rng: ThreadRng, //Arc/Rc<Mutex?<StdRng>>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     sender: Sender<()>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `GridSession` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id` and `active` are never read
[INFO] [stdout]   --> src/atrissession.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Player {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 12 |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 13 |     active: bool,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Player` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `uuid`, `game_mode`, and `state` are never read
[INFO] [stdout]   --> src/atrissession.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct AtrisSession {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 27 |     uuid: Uuid,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     game_mode: Box<dyn GameMode<StdRng>>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     state: State<u64>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AtrisSession` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/atrissession.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 |         self.sender.send(()); // Send GridAdded(Receiver)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 76 |         let _ = self.sender.send(()); // Send GridAdded(Receiver)
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/gamemodes/standard.rs:25:19
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn next_piece(&self, rng: &mut R) -> Piece {
[INFO] [stdout]    |                   ^^^^^                  ----- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn next_piece(&self, rng: &mut R) -> Piece<'_> {
[INFO] [stdout]    |                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/gamemodes/custom.rs:79:19
[INFO] [stdout]    |
[INFO] [stdout] 79 |     fn next_piece(&self, rng: &mut R) -> Piece {
[INFO] [stdout]    |                   ^^^^^                  ----- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 79 |     fn next_piece(&self, rng: &mut R) -> Piece<'_> {
[INFO] [stdout]    |                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/grid/figure.rs:21:18
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn piece(&self) -> &Piece { &self.piece }
[INFO] [stdout]    |                  ^^^^^     ------
[INFO] [stdout]    |                  |         ||
[INFO] [stdout]    |                  |         |the lifetimes get resolved as `'_`
[INFO] [stdout]    |                  |         the lifetimes get resolved as `'_`
[INFO] [stdout]    |                  this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn piece(&self) -> &Piece<'_> { &self.piece }
[INFO] [stdout]    |                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]  --> src/gamemode.rs:9:19
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn next_piece(&self, rng: &mut R) -> Piece;
[INFO] [stdout]   |                   ^^^^^                  ----- the lifetime gets resolved as `'_`
[INFO] [stdout]   |                   |
[INFO] [stdout]   |                   this lifetime flows to the output
[INFO] [stdout]   |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn next_piece(&self, rng: &mut R) -> Piece<'_>;
[INFO] [stdout]   |                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/atrissession.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 |         self.sender.send(()); // Send GridAdded(Receiver)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 76 |         let _ = self.sender.send(()); // Send GridAdded(Receiver)
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/gamemodes/standard.rs:25:19
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn next_piece(&self, rng: &mut R) -> Piece {
[INFO] [stdout]    |                   ^^^^^                  ----- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn next_piece(&self, rng: &mut R) -> Piece<'_> {
[INFO] [stdout]    |                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/gamemodes/custom.rs:79:19
[INFO] [stdout]    |
[INFO] [stdout] 79 |     fn next_piece(&self, rng: &mut R) -> Piece {
[INFO] [stdout]    |                   ^^^^^                  ----- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 79 |     fn next_piece(&self, rng: &mut R) -> Piece<'_> {
[INFO] [stdout]    |                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.89s
[INFO] running `Command { std: "docker" "inspect" "2764155c622a67884d7809a40f26e2d1127c672584479a43add4cdd8b6e9fce5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2764155c622a67884d7809a40f26e2d1127c672584479a43add4cdd8b6e9fce5", kill_on_drop: false }`
[INFO] [stdout] 2764155c622a67884d7809a40f26e2d1127c672584479a43add4cdd8b6e9fce5
